package org.kl.bpm.web.conf;

import java.util.List;
import java.util.Map;

import javax.servlet.ServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.validation.Valid;

import org.apache.commons.lang3.StringUtils;
import org.apache.shiro.authz.annotation.RequiresPermissions;
import org.kl.bf.entity.basic.User;
import org.kl.bf.entity.easyui.EasyuiGrid;
import org.kl.bf.service.basic.UserService;
import org.kl.bf.utils.KLServlets;
import org.kl.bf.web.base.BasicController;
import org.kl.bpm.entity.conf.BpmDelegateInfo;
import org.kl.bpm.service.conf.BpmDelegateInfoService;
import org.kl.bpm.service.conf.BpmProcessService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;
import org.springside.modules.web.MediaTypes;
import org.springside.modules.web.Servlets;

@Controller
@RequestMapping(value = "/bpm/delegateInfo")
public class BpmDelegateInfoController extends BasicController {

	@Autowired
	private BpmDelegateInfoService bpmDelegateInfoService;
	@Autowired
	private BpmProcessService bpmProcessService;
	@Autowired
	private UserService userService;

	@RequiresPermissions("bpmDelegateInfo:list")
	@RequestMapping(method = RequestMethod.GET)
	public String list() {
		return "bpm/bpmDelegateInfoList";
	}

	@RequiresPermissions("bpmDelegateInfo:list")
	@RequestMapping(value = "dataGrid", produces = MediaTypes.JAVASCRIPT_UTF_8)
	@ResponseBody
	public String dataGrid(@RequestParam(value = "pageNumber", defaultValue = "1") int pageNumber,
			@RequestParam(value = "rows", defaultValue = PAGE_SIZE) int pageSize,
			@RequestParam(value = "sort", defaultValue = "id") String sortType,
			@RequestParam(value = "order", defaultValue = "desc") String orderType, Model model, ServletRequest request) {
		Map<String, Object> searchParams = KLServlets.getParametersStartingWith(request, SEARCH_PREFIX);
		Page<BpmDelegateInfo> bpmDelegateInfo = bpmDelegateInfoService.getUserBpmDelegateInfo(searchParams, pageNumber,
				pageSize, sortType, orderType);
		EasyuiGrid grid = new EasyuiGrid();
		grid.setRows(bpmDelegateInfo.getContent());
		grid.setTotal((int) bpmDelegateInfo.getTotalElements());
		String result = jsonMapper.toJson(grid);
		return result;
	}

	@RequiresPermissions("bpmDelegateInfo:export")
	@RequestMapping(value = "excelExport", produces = MediaTypes.JAVASCRIPT_UTF_8)
	@ResponseBody
	public String excelExport(@RequestParam(value = "pageNumber", defaultValue = "1") int pageNumber,
			@RequestParam(value = "sort", defaultValue = "id") String sortType,
			@RequestParam(value = "order", defaultValue = "desc") String orderType, Model model,
			ServletRequest request, HttpServletResponse response) {
		Map<String, Object> searchParams = Servlets.getParametersStartingWith(request, SEARCH_PREFIX);
		List<BpmDelegateInfo> bpmDelegateInfos = bpmDelegateInfoService.getAllBpmDelegateInfo(searchParams, sortType,
				orderType);
		super.export(BpmDelegateInfo.class, response, bpmDelegateInfos, "委托信息");

		return null;
	}

	@RequiresPermissions("bpmDelegateInfo:update")
	@RequestMapping(value = "update", method = RequestMethod.POST)
	@ResponseBody
	public String update(@Valid @ModelAttribute("bpmDelegateInfo") BpmDelegateInfo bpmDelegateInfo,
			@RequestParam(value = "processId", defaultValue = "-1") String processId) {
		try {
			bpmDelegateInfo.setBpmProcess(bpmProcessService.getBpmProcess(processId));
			if (StringUtils.isBlank(bpmDelegateInfo.getId())) {
				bpmDelegateInfo.setAssignee(new User(BasicController.getCurrentUserId()));
			}
			bpmDelegateInfoService.saveBpmDelegateInfo(bpmDelegateInfo);
			return ajaxMsg("保存成功", true, null);
		} catch (Exception e) {
			e.printStackTrace();
			return ajaxMsg("保存失败", false, null);
		}
	}

	@RequiresPermissions({ "bpmDelegateInfo:update", "bpmDelegateInfo:delete" })
	@RequestMapping(value = "delete/{id}")
	@ResponseBody
	public String delete(@PathVariable("id") String id, RedirectAttributes redirectAttributes) {
		try {
			bpmDelegateInfoService.deleteBpmDelegateInfo(id);
			return ajaxMsg("删除成功", true, null);
		} catch (Exception e) {
			e.printStackTrace();
			return ajaxMsg("删除失败", false, null);
		}
	}

	/**
	 * 所有RequestMapping方法调用前的Model准备方法, 实现Struts2
	 * Preparable二次部分绑定的效果,先根据form的id从数据库查出Task对象,再把Form提交的内容绑定到该对象上。
	 * 因为仅update()方法的form中有id属性，因此仅在update时实际执行.
	 */
	@ModelAttribute
	public void getMenu(@RequestParam(value = "id", defaultValue = "-1") String id, Model model) {
		if (!id.equals("-1")) {
			model.addAttribute("bpmDelegateInfo", bpmDelegateInfoService.getBpmDelegateInfo(id));
		}
	}

}
